1. What are the CDC's classifications for resistance 1. Urgent threats
threats? (4) 2. Serious threats
3. Concerning
threats
4. Watch list
2. Explain the "innovation gap" of new antibiotics a period of time
where no new
classes of antibi-
otics were discov-
ered. This likely
stemmed from an
abundance of ef-
fective antibiotics
available in the
1960's and 1970's
3. Classification of antibiotics is based on... (3) 1. Class and spec-
trum of microor-
ganisms it kills
2. Biochemical
pathway it targets
3. Chemical struc-
ture of its pharma-
cophore
4. Bacteriostatic antibiotics that
inhibit bacterial
growth
, Pharmacology III - Exam #3 with Verified Answers
5. Bactericidal antibiotics that
cause bacterial cell
death
6. MBC/MIC > for a bacteriostatic drug 4
7. Gram-negative bacteria cell wall component(s) (4) 1. Inner membrane
2. Peptidoglycan
3. Outer membrane
4. Lipopolysaccha-
ride (endotoxin; ex.
PAMPS)
8. Gram-positive bacteria cell wall component(s) (2) 1. Single plas-
ma member en-
cased by thick lay-
ers of peptidogly-
can cross linked by
amino acids
2. Stabilized by Te-
ichoic and Lipotei-
choic acids
9. Gram-negative bacteria stain... pink/red
10. Gram-positive bacteria stain... purple
, Pharmacology III - Exam #3 with Verified Answers
11. What part of the human body contains the largest Large intestine
concentration of microbes?
12. Staphylococci gram-positive cocci
in clusters (purple)
13. List the two discussed Staphylococci bacterial Staphylococcus
species aureus and
Staphylococcus
epidermidis
14. List some key points for Staphylococcus aureus (4) 1. Primarily a hu-
man pathogen
2. Causes numer-
ous infections
3. Multi-drug resis-
tant
4. High morbidity
and mortality
15. Hospital-associated methicillin-resistant Staphylo- 1. Multi-drug resis-
coccus aureus (HA-MRSA) key points (5) tant
2. Variety of infec-
tion types
3. Invades at-risk
population
4. Reduced "fit-
ness"